| 释义 |
DEFINITIVE EXAMPLES 权威例句〔COMPLETE/NOT COMPLETE〕Complete the sentences using either the simple past or present perfect tense of the verbs. 用动词的一般过去式或现在完成式完成这些句子。朗文写作活用〔perfect〕A verb or verb form in the perfect tense.动词的完成式:完成时态的动词或动词形式美国传统〔perfect〕Grammar The perfect tense.【语法】 完成式:完成时态美国传统〔present perfect〕A verb in the present perfect tense.现在完成时态的动词形式美国传统 |